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Beijing Qinrunze Environmental Protection Technology Co., Ltd. 86-159-1063-1923 heyong@qinrunze.com
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Главная страница - Новости - Sewage Treatment Equipment: Two-Stage DTRO System for Landfill Leachate

Sewage Treatment Equipment: Two-Stage DTRO System for Landfill Leachate

January 26, 2026

Our company specializes in advanced wastewater treatment solutions tailored for the global market, with a core focus on the two-stage DTRO (Disc Tube Reverse Osmosis) process designed specifically for landfill leachate. This system represents the forefront of high-concentration wastewater treatment technology, offering a robust, efficient, and sustainable solution for municipalities, waste management facilities, and environmental engineering firms worldwide.
The two-stage DTRO technology is engineered to tackle the most challenging wastewater scenarios. Landfill leachate, known for its complex composition, high salinity, and fluctuating quality, is effectively treated through this innovative process. The system's core component, the disc tube membrane module, features a unique hydraulic design that creates strong turbulence, significantly reducing the risk of membrane fouling and ensuring stable operation even under harsh conditions. This design allows the system to handle high levels of suspended solids and silt density index (SDI) without the need for complex and costly pre-treatment, a significant advantage over traditional spiral-wound membrane systems.
Our solution is characterized by its compact and modular design, making it highly adaptable to various site conditions and capacities. The integrated system includes all necessary components such as sand filtration (if required), security filters, high-pressure pumps, circulation pumps, cleaning tanks, and fully automated control systems (PLC/MCC). This standardization ensures rapid deployment, with factory-assembled and tested units ready for quick installation and commissioning on-site, minimizing project timelines and operational downtime.
Reliability and low maintenance are at the heart of our design philosophy. The system is built to last, with a design life exceeding 20 years, and the modular nature of the DTRO components allows for easy maintenance and repair. Individual membrane elements can be inspected, cleaned, or replaced without dismantling the entire module, significantly reducing operational costs and downtime. Furthermore, the system's automation ensures simple operation, with comprehensive monitoring and control systems that alert operators to potential issues, making it accessible even to personnel with limited technical expertise.
Environmental compliance is a global imperative, and our two-stage DTRO system delivers on this front. It achieves high removal rates for COD, BOD, ammonia nitrogen, and total dissolved solids (TDS), producing effluent that consistently meets or exceeds international discharge standards. The flexibility of the system allows for configuration adjustments to meet specific local regulations, whether for direct discharge or further reuse applications. By choosing our two-stage DTRO solution, international clients gain a partner committed to environmental stewardship, technological excellence, and long-term operational success in the critical field of wastewater management.